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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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AH211A vacuum tube outline illustration

Tube-number record

AH211A

0 archive entries

AH211A is a tube type in the TubeDatabase archive (class: Mercury Vapour Rectifier). Recorded specifications: brand English Electric Valve Company Limited, construction Rectifier, socket Special / none, and maximum plate voltage 16000 V. The archive does not yet hold a photographed example of this type.

BrandEnglish Electric Valve Company Limited
ClassMercury Vapour Rectifier
BaseSpecial / none

Construction

Primary TypeRectifier
Rectifier TypeMercury Vapour
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide coated
Warm-up Time60s

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Single phase full wave5600 V———2000 mA
Single phase bridge11200 V———2000 mA
Three phase half wave6500 V———2000 mA

Application Notes

To be read in conjunction with the Rectifier and Thyratron Preamble. For operation at constant full load. If load resistance is increased, peak inverse voltage must be monitored. Total heating time depends on ambient temperature.

Datasheets

Datasheet: AH211A.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Plate Voltage16000 V
    Cathode Current2000 mA

    Audio Performance

    Key Features
    • Hot cathode
    • Mercury vapour
    • Service type CV532
    Three phase full wave6500 V———2000 mA